puzzle

puzzle over a problem

puzzle out the mystery

Really? Does he like doing word puzzles and going hiking?

How is superaging any different than, like, doing crossword puzzles?

I've got a puzzle for you, Neil.

Some are decorated with puzzles, patterns, or pictures.

And did young Einstein really write this puzzle?

At the moment, no one solved the puzzle.

Some folks have been trying to solve this puzzle since it was invented in 1974.

She called the pieces a " giant jigsaw puzzle."

Have you ever tried to complete a crossword puzzle?

But that creates a constitutional puzzle for the courts.